US STOCKS SNAPSHOT-S&P 500, Nasdaq muted as US plans tighter curbs on chip exports to China

Feb 25 (Reuters) - The benchmark S&P 500 and the Nasdaq had a subdued start on Tuesday as markets braced for the potential impact of more stringent U.S. trade controls on Beijing and awaited quarterly earnings from AI-chip leader Nvidia.

The Dow Jones Industrial Average .DJI rose 48.5 points, or 0.11%, at the open to 43,509.74. The S&P 500 .SPX fell 0.5 points, or 0.01%, at the open to 5,982.73​, while the Nasdaq Composite .IXIC dropped 44.3 points, or 0.23%, to 19,242.608 at the opening bell.